A2circuits isoUSB+

USB 2.0 port isolator supporting High Speed

protects your equipment
breaks the ground loop
stabilizes the power supply
supports 1.5 / 12 / 480 Mbps

Blog articles

Izolator A2circuits vs konkurencja w problemie pętli masy dla audio

A2circuits Isolator vs. Competition in Audio Ground Loop Problem

24.01.2026
Ground loop noise with digital audio? Many people may wonder how, when using a digital USB interface, this or similar unnatural noise can appear at the speaker output: Your browser does not support the audio player. Squeaky sounds that change pit...
Czym jest izolator isoUSB+?

What is the isoUSB+ isolator?

14.01.2026
The A2circuits usbISO+ is a USB data and power isolator supporting low, full, and high-speed transfers. This isolation barrier helps reduce or eliminate issues such as ground loops in measurement and audio systems, as well as protecting the primary side (HO...
Pętla masy oraz zaburzenia w urządzeniach audio USB

Ground Loop and Disturbances in USB Audio Devices

14.01.2026
What is a ground loop in audio systems? A ground loop can occur when the grounds of multiple devices are interconnected. In such a system, if a voltage difference occurs, for example, due to a higher power consumption of one device, it can cause ground leve...

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